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Reply to "TPC 300/400 two power source connection?"

quote:
I have inadvertently had both handles feeding power to both blocks at the same time and the internal breaker did not activate.


If you have the outputs tied together, but at different output voltage, you create a circulating current within the secondary winding of the transformer, but this current does not flow through the breaker. That means that you can have a dangerous situation with no protection.

Chuck, how did you know which side was supplying the power on your new ZW when B and C are connected in parallel?

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